Home / 38,070.22-57,031.89-21,379.63

Finding the Fourth Proportional to 38,070.22, 57,031.89 and 21,379.63

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Solution

The fourth proportional to 38,070.22, 57,031.89 and 21,379.63 is: 32,028.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,070.22 : 57,031.89 = 21,379.63 : x
  2. Step 2: Convert to fraction form
    38,070.22/57,031.89 = 21,379.63/x
  3. Step 3: Cross multiply
    38,070.22x = 57,031.89 × 21,379.63
  4. Step 4: Simplify right side
    38,070.22x = 1,219,320,706.40
  5. Step 5: Solve for x
    x = 1,219,320,706.40/38,070.22
  6. Step 6: Final answer
    x = 32,028.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.